Polar covalence
[化] 极性共价
🧩 词语组成解析
n. 共用电子对数, 共价\\n[化] 共价
🗣️ 情景例句
What do you recommend?
你推荐什么？
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
You're really killing me!
真是笑死我了！